//
//  PackageListViewController.m
//  BaseProject
//
//  Created by 王洋 on 2020/7/3.
//  Copyright © 2020 王洋. All rights reserved.
//
#import "ZZLayout.h"
#import "PackageListCell.h"
#import "PackageListViewController.h"

typedef NS_ENUM(unsigned long, PackageListSortType) {
    //综合
    PackageListSortType_Comprehensive           = 1,
    //价格升序
    PackageListSortType_prices_Ascending        = 3,
    //价格降序
    PackageListSortType_prices_Descending       = 2
};

@interface PackageListViewController ()<UICollectionViewDelegate, UICollectionViewDataSource, ZZLayoutDelegate>

@property (strong, nonatomic) UICollectionView *collectionView;

@property (nonatomic, strong) NSMutableArray<CommonPackageModel *>* dataArray;

@property (nonatomic, assign) PackageListSortType type;

@property (nonatomic, assign) NSInteger pageSize;
@property (nonatomic, assign) NSInteger pageNum;

@end

@implementation PackageListViewController

- (void)viewDidLoad {
    [super viewDidLoad];

    [self initView];
    [self refreshParam];
    self.type = PackageListSortType_Comprehensive;
    [self request_packageList];
}

- (void)refreshParam {
    self.pageSize = 20;
    self.pageNum = 1;
}

- (void)initView {

    self.title = @"套餐列表";
    self.view.backgroundColor = UIColor.whiteColor;
    [self.view addSubview:self.collectionView];
    [self.collectionView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.mas_equalTo(0);
        make.left.bottom.right.mas_equalTo(0);
    }];
    [self initViewAction];
}

- (void)initViewAction {
    
}

#pragma mark- 协议方法
//collectionView的协议方法
- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
    return 1;
}

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    
    return self.dataArray.count;
}

- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView viewForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath {
    
    UICollectionReusableView *reusableView = nil;
    // 区头
    if (kind == UICollectionElementKindSectionHeader) {
        UICollectionReusableView *headerView = [collectionView dequeueReusableSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:@"UICollectionElementKindSectionHeader" forIndexPath:indexPath];
        reusableView = headerView;
    }
    // 区尾
    if (kind == UICollectionElementKindSectionFooter) {
        UICollectionReusableView *footerView = [collectionView dequeueReusableSupplementaryViewOfKind:UICollectionElementKindSectionFooter withReuseIdentifier:@"UICollectionElementKindSectionFooter" forIndexPath:indexPath];
        reusableView = footerView;
    }
    return reusableView;
}

- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    CommonPackageModel *model = self.dataArray[indexPath.row];
    [[TT_JumpManager sharedManager] jumpWithDetailModel:model completion:^(BOOL success, NSString * _Nonnull message) {}];
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    PackageListCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"PackageListCellID" forIndexPath:indexPath];
    cell.data = self.dataArray[indexPath.row];
    return cell;
}

//ZZLyout的流协议方法
- (CGFloat)layout:(ZZLayout *)layout heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    //返回item的高
    return ceil((kScreenWidth - 34) * 0.5 * 0.94) + 84;
}

- (NSInteger)layout:(ZZLayout *)layout columnNumberAtSection:(NSInteger)section {
    //每个区有几列
    return 2;
}

- (UIEdgeInsets)layout:(ZZLayout *)layout insetForSectionAtIndex:(NSInteger)section {
    //设置每个区的边距
    return UIEdgeInsetsMake(15, 12, 15, 12);
}

- (NSInteger)layout:(ZZLayout *)layout lineSpacingForSectionAtIndex:(NSInteger)section {
    //设置每个区的行间距
    return 10;
}

- (CGFloat)layout:(ZZLayout*)layout interitemSpacingForSectionAtIndex:(NSInteger)section {
    //设置每个区的列间距
    return 10;
}

- (CGSize)layout:(ZZLayout *)layout referenceSizeForHeaderInSection:(NSInteger)section {
    //设置区头的高度
    return CGSizeMake(TTScreenWidth, CGFLOAT_MIN);
}

- (CGSize)layout:(ZZLayout *)layout referenceSizeForFooterInSection:(NSInteger)section {
    //设置区尾的高度
    return CGSizeMake(TTScreenWidth, CGFLOAT_MIN);
}

- (CGFloat)layout:(ZZLayout*)layout spacingWithLastSectionForSectionAtIndex:(NSInteger)section {
    //本区区头和上个区区尾的间距
    return 0;
}

- (UIColor *)layout:(UICollectionView *)layout colorForSection:(NSInteger)section {
    //设置不同分区的不同背景颜色
    return UIColor.whiteColor;
}

#pragma mark- 懒加载
- (UICollectionView *)collectionView {
    if (!_collectionView) {
        
        ZZLayout *layout = [[ZZLayout alloc] initWith:ZZLayoutFlowTypeVertical delegate:self];
        //打开区头悬浮功能(默认关闭)
        layout.sectionHeadersPinToVisibleBounds = NO;
        
        
        _collectionView = [[UICollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
        _collectionView.backgroundColor = UIColor.whiteColor;
        _collectionView.delegate = self;
        _collectionView.dataSource = self;
        
        [_collectionView registerClass:PackageListCell.class forCellWithReuseIdentifier:@"PackageListCellID"];

        [_collectionView registerClass:[UICollectionReusableView class] forSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:@"UICollectionElementKindSectionHeader"];
        
        [_collectionView registerClass:[UICollectionReusableView class] forSupplementaryViewOfKind:UICollectionElementKindSectionFooter withReuseIdentifier:@"UICollectionElementKindSectionFooter"];

        _collectionView.showsHorizontalScrollIndicator = NO;
        _collectionView.showsVerticalScrollIndicator = NO;

        _collectionView.bounces = YES;
        self.edgesForExtendedLayout = UIRectEdgeNone;
        if (@available(iOS 11.0, *)) {
            _collectionView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
        }
        
        WEAKSELF
        _collectionView.mj_header = [MJRefreshGifHeader headerWithRefreshingBlock:^{
            [weakSelf refreshParam];
            [weakSelf request_packageList];
        }];

        _collectionView.mj_footer = [MJRefreshBackGifFooter footerWithRefreshingBlock:^{
            weakSelf.pageNum++;
            [weakSelf request_packageList];
        }];
    }
    return _collectionView;
}

- (NSMutableArray<CommonPackageModel *> *)dataArray {
    if (!_dataArray) {
        _dataArray = @[].mutableCopy;
    }
    return _dataArray;
}


- (void)request_packageList {
    
    NSMutableDictionary *dic = @{}.mutableCopy;
    [dic setValue:@(self.pageNum) forKey:@"pageNum"];
    [dic setValue:@(self.pageSize) forKey:@"pageSize"];
    NSDictionary *t = @{}.mutableCopy;
    [t setValue:self.storeId forKey:@"sellerId"];
    //综合排序 1：综合 2：价格由高到低 3：价格由低到高
    [t setValue:@(self.type) forKey:@"comprehensive"];
    [dic setValue:t forKey:@"t"];
    NSString *url = [NSString stringWithFormat:@"%@%@",TT_Global_Api_Domain,API_StorePackage];
    
    WEAKSELF
    [SVProgressHUD showWithStatus:@"正在加载"];
    [TTHttpManager postRequestWithUrl:url TimeOut:10 PostData:dic FinishBlock:^(id  _Nonnull data) {
        
        [weakSelf.collectionView.mj_header endRefreshing];
        [weakSelf.collectionView.mj_footer endRefreshing];
        [SVProgressHUD dismiss];
        if ([data isKindOfClass:[NSDictionary class]]) {

            //请求成功
            NSInteger code = [[data valueForKey:@"code"] integerValue];
            if (code == 10000) {
                NSDictionary *resultDic = [data valueForKey:@"data"];
                if (![resultDic isKindOfClass:[NSDictionary class]]) {
                    return;
                }
                NSArray *list = [resultDic valueForKey:@"list"];
                
                if (weakSelf.pageNum == 1) {
                    weakSelf.dataArray = @[].mutableCopy;
                }
                
                if ([list isKindOfClass:[NSArray class]]) {
                    for (int i = 0; i < list.count; i++) {
                        NSDictionary *listlistDic = list[i];
                        CommonPackageModel *packageModel = [CommonPackageModel modelWithJSON:listlistDic];
                        [weakSelf.dataArray addObject:packageModel];
                    }
                }
                
                [weakSelf.collectionView reloadData];
            }
        }
        
    } FailedBlock:^(NSError * _Nonnull error) {
        [weakSelf.collectionView.mj_header endRefreshing];
        [weakSelf.collectionView.mj_footer endRefreshing];
        [SVProgressHUD dismiss];
    }];
    
}


@end
